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1683858050 = 25272687289
BaseRepresentation
bin110010001011101…
…1010001010000010
311100100110211222222
41210113122022002
511422031424200
6435030531042
756504362100
oct14427321202
94310424888
101683858050
11794548526
123abb06a82
1320ab17214
1411d8c2c70
159cc65d85
hex645da282

1683858050 has 36 divisors (see below), whose sum is σ = 3643324290. Its totient is φ = 577321920.

The previous prime is 1683858047. The next prime is 1683858097. The reversal of 1683858050 is 508583861.

It can be written as a sum of positive squares in 3 ways, for example, as 1375890649 + 307967401 = 37093^2 + 17549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1683857992 and 1683858010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 341195 + ... + 346094.

Almost surely, 21683858050 is an apocalyptic number.

1683858050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1683858050 is an abundant number, since it is smaller than the sum of its proper divisors (1959466240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1683858050 is a wasteful number, since it uses less digits than its factorization.

1683858050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687315 (or 687303 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 1683858050 is about 41034.8394659952. The cubic root of 1683858050 is about 1189.6936927893.

The spelling of 1683858050 in words is "one billion, six hundred eighty-three million, eight hundred fifty-eight thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 1225 2450 687289 1374578 3436445 4811023 6872890 9622046 17182225 24055115 33677161 34364450 48110230 67354322 120275575 168385805 240551150 336771610 841929025 1683858050